diff --git a/core/apps/evaluation/migrations/0049_mechanicauto_customer_fields.py b/core/apps/evaluation/migrations/0049_mechanicauto_customer_fields.py
new file mode 100644
index 0000000..6d59e00
--- /dev/null
+++ b/core/apps/evaluation/migrations/0049_mechanicauto_customer_fields.py
@@ -0,0 +1,56 @@
+from django.db import migrations, models
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ("evaluation", "0048_autoevaluation_customer_fields"),
+    ]
+
+    operations = [
+        migrations.AddField(
+            model_name="mechanicautoevaluationmodel",
+            name="customer_type",
+            field=models.IntegerField(
+                blank=True,
+                choices=[(1, "Jismoniy shaxs"), (2, "Yuridik shaxs")],
+                null=True,
+                verbose_name="customer type",
+            ),
+        ),
+        migrations.AddField(
+            model_name="mechanicautoevaluationmodel",
+            name="customer_individual_person_f_name",
+            field=models.CharField(blank=True, max_length=100, null=True, verbose_name="customer first name"),
+        ),
+        migrations.AddField(
+            model_name="mechanicautoevaluationmodel",
+            name="customer_individual_person_l_name",
+            field=models.CharField(blank=True, max_length=100, null=True, verbose_name="customer last name"),
+        ),
+        migrations.AddField(
+            model_name="mechanicautoevaluationmodel",
+            name="customer_individual_person_p_name",
+            field=models.CharField(blank=True, max_length=100, null=True, verbose_name="customer patronymic"),
+        ),
+        migrations.AddField(
+            model_name="mechanicautoevaluationmodel",
+            name="customer_individual_person_passport_num",
+            field=models.CharField(blank=True, max_length=20, null=True, verbose_name="customer passport number"),
+        ),
+        migrations.AddField(
+            model_name="mechanicautoevaluationmodel",
+            name="customer_legal_entity",
+            field=models.CharField(blank=True, max_length=255, null=True, verbose_name="customer legal entity name"),
+        ),
+        migrations.AddField(
+            model_name="mechanicautoevaluationmodel",
+            name="customer_legal_inn",
+            field=models.CharField(blank=True, max_length=20, null=True, verbose_name="customer legal entity INN"),
+        ),
+        migrations.AddField(
+            model_name="mechanicautoevaluationmodel",
+            name="customer_residence",
+            field=models.CharField(blank=True, max_length=255, null=True, verbose_name="customer residence"),
+        ),
+    ]
diff --git a/core/apps/evaluation/models/mechanic_auto.py b/core/apps/evaluation/models/mechanic_auto.py
index 72a3d09..89dd626 100644
--- a/core/apps/evaluation/models/mechanic_auto.py
+++ b/core/apps/evaluation/models/mechanic_auto.py
@@ -196,6 +196,56 @@ class MechanicAutoEvaluationModel(AbstractBaseModel):
         related_name='evaluation_mechanic_auto_rate_type'
     )
 
+    # ── Step 3 — Buyurtmachi ma'lumotlari ────────────────────────────
+    customer_type = models.IntegerField(
+        verbose_name=_("customer type"),
+        choices=ObjectOwnerType.choices,
+        blank=True,
+        null=True,
+    )
+    customer_individual_person_f_name = models.CharField(
+        verbose_name=_("customer first name"),
+        max_length=100,
+        blank=True,
+        null=True,
+    )
+    customer_individual_person_l_name = models.CharField(
+        verbose_name=_("customer last name"),
+        max_length=100,
+        blank=True,
+        null=True,
+    )
+    customer_individual_person_p_name = models.CharField(
+        verbose_name=_("customer patronymic"),
+        max_length=100,
+        blank=True,
+        null=True,
+    )
+    customer_individual_person_passport_num = models.CharField(
+        verbose_name=_("customer passport number"),
+        max_length=20,
+        blank=True,
+        null=True,
+    )
+    customer_legal_entity = models.CharField(
+        verbose_name=_("customer legal entity name"),
+        max_length=255,
+        blank=True,
+        null=True,
+    )
+    customer_legal_inn = models.CharField(
+        verbose_name=_("customer legal entity INN"),
+        max_length=20,
+        blank=True,
+        null=True,
+    )
+    customer_residence = models.CharField(
+        verbose_name=_("customer residence"),
+        max_length=255,
+        blank=True,
+        null=True,
+    )
+
     # ── Step 4 — Avtomobil ma'lumotlari ─────────────────────────────
     tex_passport_serie_num = models.CharField(
         verbose_name=_("tech passport series and number"),
diff --git a/core/apps/evaluation/serializers/auto/MechanicAutoEvaluation.py b/core/apps/evaluation/serializers/auto/MechanicAutoEvaluation.py
index c1534fb..58df798 100644
--- a/core/apps/evaluation/serializers/auto/MechanicAutoEvaluation.py
+++ b/core/apps/evaluation/serializers/auto/MechanicAutoEvaluation.py
@@ -62,6 +62,14 @@ class BaseMechanicAutoevaluationSerializer(serializers.ModelSerializer):
             "object_owner_legal_entity",
             "object_owner_legal_inn",
             "object_owner_residence",
+            "customer_type",
+            "customer_individual_person_f_name",
+            "customer_individual_person_l_name",
+            "customer_individual_person_p_name",
+            "customer_individual_person_passport_num",
+            "customer_legal_entity",
+            "customer_legal_inn",
+            "customer_residence",
             "tex_passport_serie_num",
             "tex_passport_files",
             "rating_goal",
@@ -201,6 +209,14 @@ class UpdateMechanicAutoevaluationSerializer(serializers.ModelSerializer):
             "object_owner_legal_entity",
             "object_owner_legal_inn",
             "object_owner_residence",
+            "customer_type",
+            "customer_individual_person_f_name",
+            "customer_individual_person_l_name",
+            "customer_individual_person_p_name",
+            "customer_individual_person_passport_num",
+            "customer_legal_entity",
+            "customer_legal_inn",
+            "customer_residence",
             "value_determined",
             "rate_type",
             "assessment_task_type",
@@ -353,6 +369,14 @@ class CreateMechanicAutoevaluationSerializer(serializers.ModelSerializer):
             "object_owner_legal_entity",
             "object_owner_legal_inn",
             "object_owner_residence",
+            "customer_type",
+            "customer_individual_person_f_name",
+            "customer_individual_person_l_name",
+            "customer_individual_person_p_name",
+            "customer_individual_person_passport_num",
+            "customer_legal_entity",
+            "customer_legal_inn",
+            "customer_residence",
             "value_determined",
             "rate_type",
             "assessment_task_type",
@@ -473,6 +497,14 @@ class MechanicAutoEvaluationModelSerializer(serializers.ModelSerializer):
             "object_owner_legal_entity",
             "object_owner_legal_inn",
             "object_owner_residence",
+            "customer_type",
+            "customer_individual_person_f_name",
+            "customer_individual_person_l_name",
+            "customer_individual_person_p_name",
+            "customer_individual_person_passport_num",
+            "customer_legal_entity",
+            "customer_legal_inn",
+            "customer_residence",
             "value_determined",
             "rate_type",
             "assessment_task_type",